Tempered Night Child Frame material: 100% 4130 Sanko crmo, double butted down tube toptube length: 21,3 inch head tube angle: 75 degrees head tube length: 113mm seat tube angle: 71 degrees chainstay length: 13,25 inch slammed bottom bracket height: 11,5 inch standover height: 9 inch headtube: compatible with integrated headsets (45/45) bottom bracket: mid | externally machined seattube: fits 1 inch (25,4mm) seat posts dropouts: 14mm slots | 6mm thick downtube gusset: yes toptube gusset: no tire clearance: for big tires brake mounts: yes (included) | bolt-in M8 gyro tab holes: yes (included) color: ED black additional information: custom down tube gusset and seatstay bridge CNC-machined dropouts to save weight s-bend chainstays